CN211296392U - Integrated structure of harmonic speed reducer and motor - Google Patents
Integrated structure of harmonic speed reducer and motor Download PDFInfo
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- CN211296392U CN211296392U CN202020246256.1U CN202020246256U CN211296392U CN 211296392 U CN211296392 U CN 211296392U CN 202020246256 U CN202020246256 U CN 202020246256U CN 211296392 U CN211296392 U CN 211296392U
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- speed reducer
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Abstract
The utility model provides an integral structure of harmonic speed reducer machine and motor, it includes hollow main shaft, harmonic speed reducer machine and motor. A mounting flange is fixedly connected to one end face of the hollow main shaft, and the harmonic speed reducer and the motor are respectively positioned on the outer peripheries of two ends of the hollow main shaft; the motor comprises a rotor, a stator and a motor shell, and the harmonic speed reducer comprises a wave generator, a steel wheel and a flexible wheel. The steel wheel is fixedly connected with the hollow main shaft, the wave generator is fixedly connected with the rotor, and the stator is fixed in the motor shell. The integrated structure is provided with a square motor shell, and the top surface and at least one side surface of the motor shell are mounting surfaces, so that the top surface of the motor shell can be matched with a four-axis tailstock and then used as a fifth axis of a numerical control machine; the side face of the numerical control machine tool can be independently used as a fourth shaft of the numerical control machine tool, and can also be used as a fifth shaft after being matched with the fourth shaft. It is visible, the utility model discloses a harmonic speed reducer machine and motor integral structure can be applicable to more installation and application scenes.
Description
Technical Field
The utility model belongs to the technical field of transmission, especially, relate to an integral structure of harmonic speed reducer machine and motor.
Background
The motor is the most common transmission device, and the existing motor shell is of a circular structure and only has a single mounting surface. In addition, due to the increasing production cost, one transmission device needs to realize various application scenarios and needs to be easy to install and disassemble. Therefore, there is a need for a new transmission.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an integral structure of harmonic speed reducer machine and motor to solve the multiple installation application scene problem that proposes in the above-mentioned background art.
The utility model discloses a structure integrating a harmonic speed reducer and a motor, which comprises a hollow main shaft, a harmonic speed reducer and a motor, wherein a mounting flange is fixedly connected with one end face of the hollow main shaft, and the harmonic speed reducer and the motor are respectively positioned on the outer peripheries of two ends of the hollow main shaft; the motor comprises a rotor, a stator and a motor shell which are arranged on the outer periphery of the hollow main shaft from inside to outside, and the harmonic speed reducer comprises a wave generator, a steel wheel and a flexible wheel; the steel wheel is fixedly connected with the hollow main shaft, the wave generator is fixedly connected with the rotor, and the stator is fixed in the motor shell; the cross section of the motor shell is square, and mounting surfaces for being connected with a machine tool are arranged on the top surface and at least one outer side surface of the motor shell.
Furthermore, one end of the motor shell, which is far away from the mounting flange, is fixedly connected with a first bearing for supporting the hollow spindle.
Further, motor housing is in keeping away from the one end fixedly connected with motor back cover of mounting flange, cover fixedly connected with end cover behind the motor, first bearing is installed on the end cover.
Further, a second bearing is connected between the hollow main shaft and the wave generator.
Further, a third bearing is connected between the rotor and the motor housing.
Further, the harmonic reducer machine further comprises a crossed roller bearing, and the crossed roller bearing is fixedly connected with the motor shell.
Further, the rotor passes through the stator, and an annular grating for accurately positioning the motor is fixed on the outer periphery of the rotor.
Compared with the prior art, the utility model, beneficial effect lies in: the utility model provides an integrated structure of a harmonic speed reducer and a motor, which is provided with a square motor shell, wherein the top surface and at least one side surface of the motor shell are both mounting surfaces, so that the top surface of the motor shell can be matched with a four-axis tailstock and then used as a fifth axis of a numerical control machine; the side surface of the numerical control machine tool can be independently used as a fourth shaft of the numerical control machine tool, and can also be used as a fifth shaft after being matched with the fourth shaft (without a tailstock). It is visible, the utility model discloses an integrated structure can be applicable to more installation and application scenes.
Drawings
Fig. 1 is a schematic perspective view of an integrated structure of a harmonic speed reducer and a motor provided in an embodiment of the present invention.
Fig. 2 is a schematic longitudinal sectional view of the integrated structure shown in fig. 1.
Fig. 3 is a schematic structural view of the integrated structure shown in fig. 1, in which a side surface of the motor housing is used as a mounting surface.
Fig. 4 is a schematic structural view of the integrated structure shown in fig. 1 when the top surface of the motor housing is used as a mounting surface.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 and 2, a preferred embodiment of the present invention is shown, which is an integrated structure of a harmonic reducer and a motor, and includes a hollow main shaft 1, a harmonic reducer 2, a motor 3, and a mounting flange 4.
The mounting flange 4 is fixedly connected to one end face of the hollow main shaft 1, and the harmonic speed reducer 2 and the motor 3 are respectively located on the outer peripheries of two ends of the hollow main shaft 1. The harmonic speed reducer 2 is located at one end, close to the mounting flange 4, of the hollow main shaft 1, and the motor 3 is located at one end, far away from the mounting flange 4, of the hollow main shaft 1.
Specifically, the motor 3 includes a rotor 31, a stator 32 and a motor housing 33, which are disposed on the outer periphery of the hollow spindle 1 from inside to outside. The harmonic reducer 2 includes a wave generator 21, a steel wheel 22, a flexspline 23, and a cross roller bearing 24.
The rotor 31 passes through the stator 32, and the annular grating 5 for accurately positioning the motor 3 is fixed on the outer periphery of the rotor 31, and the annular grating 5 can record the rotating position of the rotor 31, so that the rotating position can be fed back to the motor 3 to realize accurate positioning of the rotation.
The steel wheel 22 is fixedly connected with the hollow main shaft 1, the wave generator 21 is fixedly connected with the rotor 31 through a first screw 6, and the stator 32 is fixed in the motor shell 33. The cross roller bearing 24 is fixedly connected with the motor housing 33 through the second screw 7.
The motor housing 33 is fixedly connected with a motor rear cover 34 at one end far away from the mounting flange 4, the motor rear cover 34 is fixedly connected with an end cover 35, and the end cover 35 is provided with a first bearing 8 for supporting the hollow spindle 1. A second bearing 9 is connected between the hollow main shaft 1 and the wave generator 21, and a third bearing 10 is connected between the rotor 31 and the motor housing 33.
The cross section of the motor housing 33 of the embodiment is square, and mounting surfaces for connecting with a machine tool are arranged on the top surface and at least one outer side surface of the motor housing 33.
The working principle of the integrated structure of the embodiment is as follows: when the motor 3 works, the rotor 31 rotates, the rotor 31 drives the wave generator 21 to rotate, the wave generator 21 enables the flexible wheel 23 to generate controllable elastic deformation, the flexible wheel 23 is meshed with the steel wheel 22 to realize transmission connection, and therefore the steel wheel 22 can rotate along with the steel wheel according to a certain transmission ratio. Finally, the steel wheel 22 is connected to the hollow main shaft 1 and the mounting flange 4, so that the mounting flange 4 and the load on the mounting flange 4 rotate.
For convenience of explanation, an embodiment in which one top surface of the motor housing 33 is an a-mounting surface and one side surface is a B-mounting surface is exemplified below.
Referring to fig. 3, an embodiment using a side surface of the motor housing 33 as a B mounting surface is shown, where the B mounting surface can be used as a fourth axis of the numerical control machine tool alone, or can be used as a fifth axis after being matched with the fourth axis (without a tailstock). Referring also to fig. 4, an embodiment is shown in which the top surface of the motor housing 33 is used as the a mounting surface, which can be used as the fifth shaft of the numerical control machine after being matched with a four-shaft tailstock.
In summary, the embodiment provides an integrated structure of a harmonic speed reducer and a motor, the integrated structure has a square motor housing 33, and the top surface and at least one side surface of the motor housing 33 are both mounting surfaces, so that the top surface of the motor housing 33 can be used as a fifth shaft of a numerical control machine after being matched with a four-shaft tailstock; the side face of the numerical control machine tool can be independently used as a fourth shaft of the numerical control machine tool, and can also be used as a fifth shaft after being matched with the fourth shaft. Therefore, the integrated structure of the embodiment can be suitable for more installation application scenes. In addition, the integrated structure is compact, the performance is better, and the installation is convenient.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. An integrated structure of a harmonic speed reducer and a motor is characterized by comprising a hollow main shaft, the harmonic speed reducer and the motor, wherein a mounting flange is fixedly connected to one end face of the hollow main shaft, and the harmonic speed reducer and the motor are respectively positioned on the outer peripheries of two ends of the hollow main shaft; the motor comprises a rotor, a stator and a motor shell which are arranged on the outer periphery of the hollow main shaft from inside to outside, and the harmonic speed reducer comprises a wave generator, a steel wheel and a flexible wheel; the steel wheel is fixedly connected with the hollow main shaft, the wave generator is fixedly connected with the rotor, and the stator is fixed in the motor shell; the cross section of the motor shell is square, and mounting surfaces for being connected with a machine tool are arranged on the top surface and at least one outer side surface of the motor shell.
2. The integrated structure of a harmonic reducer and a motor according to claim 1, wherein the motor housing is fixedly connected with a first bearing for supporting the hollow spindle at an end away from the mounting flange.
3. The integrated structure of a harmonic reducer and a motor according to claim 2, wherein the motor housing is fixedly connected with a motor rear cover at an end far away from the mounting flange, the motor rear cover is fixedly connected with an end cover, and the first bearing is mounted on the end cover.
4. The integrated structure of a harmonic reducer and a motor according to claim 1, wherein a second bearing is connected between the hollow main shaft and the wave generator.
5. The integrated structure of a harmonic reducer and a motor according to claim 1, wherein a third bearing is connected between the rotor and the motor housing.
6. The integrated structure of a harmonic reducer and a motor according to claim 1, wherein the harmonic reducer further comprises a cross roller bearing, and the cross roller bearing is fixedly connected with the motor housing.
7. The integrated structure of a harmonic reducer and a motor according to claim 1, wherein the rotor passes through the stator, and an annular grating for accurately positioning the motor is fixed to an outer periphery of the rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020246256.1U CN211296392U (en) | 2020-03-03 | 2020-03-03 | Integrated structure of harmonic speed reducer and motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020246256.1U CN211296392U (en) | 2020-03-03 | 2020-03-03 | Integrated structure of harmonic speed reducer and motor |
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| CN211296392U true CN211296392U (en) | 2020-08-18 |
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| CN202020246256.1U Active CN211296392U (en) | 2020-03-03 | 2020-03-03 | Integrated structure of harmonic speed reducer and motor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114688231A (en) * | 2021-09-30 | 2022-07-01 | 深圳市越疆科技有限公司 | Joint, mechanical arm, robot and harmonic reducer device thereof |
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2020
- 2020-03-03 CN CN202020246256.1U patent/CN211296392U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114688231A (en) * | 2021-09-30 | 2022-07-01 | 深圳市越疆科技有限公司 | Joint, mechanical arm, robot and harmonic reducer device thereof |
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